Sum of two numbers is 15 and their difference is 13. Identify the smaller number.
A
1
B
2
C
14
D
18
Correct Answer: 1
Let, large number x, small number y given, x + y = 15..............(১) x - y = 13................(২) সমীকরণ (১) - (২) 2y = 2 so, y = 1